M shift with an Automatic... - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Nicholas · 01-11-2010, 02:16 PM

So I got my Camaro about two weeks ago and I have been playing around with it.. I noticed whenever I put it in manual and shift its a little rough...the car has below 300 miles on it... I've driven cars that were automatics that could go into manual but this shifting is just rough...so my question is. Do I need to let off whenever I shift up, or do I just accelerate lightly and shift with the buttons?(the guy at the dealership said I dont have to let off) Also I hate how when I down shift it High revs... Why is that? Example...(I'm driving about 18mph in 2nd about to shift down to 1st..whenever I downshift the rev bounces up like 2k rpm...why is this?) Could someone please fill me in on this? Thanks for reading.

Nicholas · 01-11-2010, 02:34 PM

This has been annoying me for like a week..

Nicholas · 01-11-2010, 02:40 PM

Quote:

Originally Posted by Darth_Emma

You just posted, dude. A lot of us are working during the day. I'll bet you'll get a lot of responses this evening. (Give us more than 18 minutes!)

Jeez I'm sorry you dont have to be rude about it..you can look at my post and see that I'm new here..a simple you must wait a few hours for a responce..would have been nice

hypurone · 01-11-2010, 02:40 PM

The system needs to learn your "habits". It IS an adaptive system with a separate PCM for the trans.

I personally "drive it like I stole it" so I mostly don't let up when shifting and it shifts fine. Sometimes when just making a casual upshift it will "lunge" a bit but not much. I think this is due to having learned my aggressive habits early on...

Nicholas · 01-11-2010, 02:44 PM

Quote:

Originally Posted by hypurone

The system needs to learn your "habits". It IS an adaptive system with a separate PCM for the trans.

I personally "drive it like I stole it" so I mostly don't let up when shifting and it shifts fine. Sometimes when just making a casual upshift it will "lunge" a bit but not much. I think this is due to having learned my aggressive habits early on...

Thanks..so its not hurting the tranny by "powershifting" it? Im not really rough with the shifting its just whenever I shift sometimes theres a slight delay.. gonna give me whiplash one day lmao

JohnInSoCal · 01-11-2010, 02:55 PM

the shifts are firmer in manual and sport mode then they are in D mode, you don't have to let up to shift, just punch it and let it shift for you. If your car is stock then it's under warranty so I wouldn't worry about it at all, it shouldn't be that agressive of a shift (custom tunes make it far more agressive than stock). If you are going for best time though it will shift better for you in S mode rather than using the buttons for shifting.

Nicholas · 01-11-2010, 02:57 PM

I meant when I am using the button shifting the shifting is rough...not when it is in automatic or sports mode..sorry for not posting that first of all

Toastylicious · 01-11-2010, 03:04 PM

I was actually having really hard downshift frpm 2nd to 1st and brought it into the dealer and I needed a software update for the shift points, now it's smooth like it's supposed to be. Hope that helps.

hypurone · 01-11-2010, 03:11 PM

Quote:

Originally Posted by Nicholas

Thanks..so its not hurting the tranny by "powershifting" it? Im not really rough with the shifting its just whenever I shift sometimes theres a slight delay.. gonna give me whiplash one day lmao

No way man. It is a feature (more like a curse to me) called TM (Torque Management) that cuts power slightly while it shifts. GM did this to soften the shift and extend trans life.

I am used to a MUCH firmer shift coming out of my RX7 that I had a race rebuild done on the trans, so what may seem mellow to me, may seem harsh to you. Just drive it more and drive it like you want it to behave in the future as it will learn that as a primary habit.

Bert · 01-11-2010, 03:22 PM

Quote:

Originally Posted by Nicholas

Also I hate how when I down shift it High revs... Why is that? Example...(I'm driving about 18mph in 2nd about to shift down to 1st..whenever I downshift the rev bounces up like 2k rpm...why is this?)

that sounds like normal downshift behavior to me; same as with a manual transmission -- when it hits the lower gear the engine RPM's have to go up to keep up with the car's speed

hypurone · 01-11-2010, 03:30 PM

Plus, 1st gear is a really low gear. I don't shift to it unless I'm stopped or crawling up to a stop. Now there you could do some damage to the clutch pack over repeated uses. Even tho the car has software not to allow a potentially damaging shift it is gonna be harsh and over time I would expect some accelerated wear...

Nicholas · 01-11-2010, 04:56 PM

Quote:

Originally Posted by Darth_Emma

Nicholas, sorry didn't mean to be rude. I was trying to be light hearted (and it didn't come out that way - my apologies). I just meant to say... well first, welcome to the forums and second... give folks a little more time to read your post and I'm sure you'll get a response.

Welcome to a fun community.

Thank you and it's ok.

Nicholas · 01-11-2010, 04:57 PM

Quote:

Originally Posted by hypurone

No way man. It is a feature (more like a curse to me) called TM (Torque Management) that cuts power slightly while it shifts. GM did this to soften the shift and extend trans life.

I am used to a MUCH firmer shift coming out of my RX7 that I had a race rebuild done on the trans, so what may seem mellow to me, may seem harsh to you. Just drive it more and drive it like you want it to behave in the future as it will learn that as a primary habit.

Thanks a lot Chuck. That helped greatly!

markmass · 01-11-2010, 05:20 PM

I'm at about 1200 miles now and noticed that at first, seems to be a lot better now. I nail it when going through the gears, don't come off the gas during shift.
Things I have noticed:
1) Shift is a little slow for my liking, i.e tap, wait then it shifts. Particularly when downshifting - i.e at 50 MPH in 6th gear, I want to get to 3rd quickly seems to take a bit longer then necessary...
2) when coming to a complete stop I now let it change down for me. When i have downshifted at lower speeds, it has changed into 2nd for me just as i hit the - button so 'lunges' into 1st. Which is no biggie, just leaves darkies on the road when I take off.....
3) I use the - button during declaration, over taking etc. and all is good.

Has anyone changed the shift to be more aggresive? I have a 99 Mustang GT....ok ok...

.that has, at some point, been tuned for aggressive shifting. When its nailed the transition between gears is almost instant, and noticeably harder

01-11-2010, 02:16 PM	#1
Nicholas Account Suspended Drives: 2010 Camaro 1SS/RS Join Date: Jan 2010 Location: Beaumont, Texas Posts: 119	M shift with an Automatic... So I got my Camaro about two weeks ago and I have been playing around with it.. I noticed whenever I put it in manual and shift its a little rough...the car has below 300 miles on it... I've driven cars that were automatics that could go into manual but this shifting is just rough...so my question is. Do I need to let off whenever I shift up, or do I just accelerate lightly and shift with the buttons?(the guy at the dealership said I dont have to let off) Also I hate how when I down shift it High revs... Why is that? Example...(I'm driving about 18mph in 2nd about to shift down to 1st..whenever I downshift the rev bounces up like 2k rpm...why is this?) Could someone please fill me in on this? Thanks for reading. Last edited by Nicholas; 01-11-2010 at 02:29 PM.

01-11-2010, 02:40 PM	#4
hypurone I'm not totally useless.. Drives: ... Join Date: Sep 2009 Location: ... Posts: 2,008 View My Garage	The system needs to learn your "habits". It IS an adaptive system with a separate PCM for the trans. I personally "drive it like I stole it" so I mostly don't let up when shifting and it shifts fine. Sometimes when just making a casual upshift it will "lunge" a bit but not much. I think this is due to having learned my aggressive habits early on... __________________ "You were really flyin' when I passed you back there!" - Born on 10/05/09 MyCamaroBuildInfo

01-11-2010, 03:30 PM	#11
hypurone I'm not totally useless.. Drives: ... Join Date: Sep 2009 Location: ... Posts: 2,008 View My Garage	Plus, 1st gear is a really low gear. I don't shift to it unless I'm stopped or crawling up to a stop. Now there you could do some damage to the clutch pack over repeated uses. Even tho the car has software not to allow a potentially damaging shift it is gonna be harsh and over time I would expect some accelerated wear... __________________ "You were really flyin' when I passed you back there!" - Born on 10/05/09 MyCamaroBuildInfo

01-11-2010, 05:20 PM	#14
markmass TRI-COUNTY CAMAROS Drives: 2SS/RS Oct 2009 Join Date: Oct 2009 Location: Coral Springs Florida Posts: 448 View My Garage	I'm at about 1200 miles now and noticed that at first, seems to be a lot better now. I nail it when going through the gears, don't come off the gas during shift. Things I have noticed: 1) Shift is a little slow for my liking, i.e tap, wait then it shifts. Particularly when downshifting - i.e at 50 MPH in 6th gear, I want to get to 3rd quickly seems to take a bit longer then necessary... 2) when coming to a complete stop I now let it change down for me. When i have downshifted at lower speeds, it has changed into 2nd for me just as i hit the - button so 'lunges' into 1st. Which is no biggie, just leaves darkies on the road when I take off..... 3) I use the - button during declaration, over taking etc. and all is good. Has anyone changed the shift to be more aggresive? I have a 99 Mustang GT....ok ok....that has, at some point, been tuned for aggressive shifting. When its nailed the transition between gears is almost instant, and noticeably harder

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01-11-2010, 02:34 PM	#2
Nicholas Account Suspended Drives: 2010 Camaro 1SS/RS Join Date: Jan 2010 Location: Beaumont, Texas Posts: 119	This has been annoying me for like a week..

01-11-2010, 02:55 PM	#6
JohnInSoCal Drives: RJT L99 500HP Join Date: Aug 2009 Location: SoCal Posts: 535	the shifts are firmer in manual and sport mode then they are in D mode, you don't have to let up to shift, just punch it and let it shift for you. If your car is stock then it's under warranty so I wouldn't worry about it at all, it shouldn't be that agressive of a shift (custom tunes make it far more agressive than stock). If you are going for best time though it will shift better for you in S mode rather than using the buttons for shifting.

01-11-2010, 02:57 PM	#7
Nicholas Account Suspended Drives: 2010 Camaro 1SS/RS Join Date: Jan 2010 Location: Beaumont, Texas Posts: 119	I meant when I am using the button shifting the shifting is rough...not when it is in automatic or sports mode..sorry for not posting that first of all

01-11-2010, 03:04 PM	#8
Toastylicious My car goes Vrooom.. You? Drives: 2010 Rally Yellow Camaro LS Join Date: Oct 2009 Location: Everett Washington Posts: 138	I was actually having really hard downshift frpm 2nd to 1st and brought it into the dealer and I needed a software update for the shift points, now it's smooth like it's supposed to be. Hope that helps.